A spiritual emergency may include more than one of the following elements. My own contained components of nearly all of the following.
Ego Death / Dark Night of the Soul
Kundalini Awakening
Shamanic Crisis
Episodes of Unitive Consciousness
Crisis of Psychic Opening
Past Life Experiences
Near Death Experiences
Possession States
Psychological Renewal Through the Central Archetype
See also:
What Triggers Spiritual Emergency?
Wikipedia - Schizophrenia
Wikipedia - Psychosis
Schizophrenia - The Soul in Crisis
DSM-IV: Religious & Spiritual Problems
Spiritual Emergency, Shamanism, Crisis, Schizophrenia, Psychosis, Spiritual Awakening, Ego Death, The Dark Night of the Soul, Kundalini, Past Life Experiences, Near Death Experiences, Possession States, DSM-IV, Psychological Renewal, Carl Jung, John Weir Perry, Stanislav Grof, Christina Grof, Maureen Roberts